.title{
    position: fixed;
    width: 100vw;
    height: 50px;
    border-bottom: 1px solid #ccc;
    line-height: 50px;
    background: #EDEAE9;
    text-align: center;
    top: 0;
    z-index: 9999;
}
.title .iconfont{
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    width: 50px;
    height: 50px;
}